/**
 * @Auther: Min.Liu
 * @Description:
 * @Date: Created in 16:35 2025/4/18
 */
public class test {
    public static void main(String[] args) {
        System.out.println(hash(7));
    }

    static final int hash(Object key) {
        int h;
        return (key == null) ? 0 : (h = key.hashCode()) ^ (h >>> 16);
    }
}
